. >> reporter: i'm erika miller in new york. coming up tonight, i'll take you backstage to meet designer nanette lepore, whose fashions will soon be coming to a mass- market retailer. >> susie: and our friday "market monitor" guest says the fiscal cliff is the next big hurdle for investors. he's randall eley, president of the edgar j. lomax company. mark zuckerberg is famous for coming up with the idea for facebook in his dorm room. so, how do entrepreneurs and successful companies know when they've found the next big thing? tonight's commentator says sometimes, things just click. he's frans johansson, author of the "click moment: seizing opportunity in an unpredictable world." >> many companies use strategy to get ahead when all evidence points to the fact that careful planning does not always lead to success. if we're honest with ourselves, human beings recognize that randomness and serendipity-- basically luck-- have a huge role in whether we will succeed or not. look at diane von furstenberg. the inspiration for her famous w